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Two-Phase inclusions and rutile needles in rock crystal from Brazil
Colour zoning in ruby from Mong-Shu, Burma
Bubbles and swirls in moldavite (natural glass)
Twin-crystal of chrysoberyl
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Spinel crystal in dolomite marble, Burma
Partially etched diamond crystal

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